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Top Forums Shell Programming and Scripting extracting lines based on condition and copy to another file Post 302696509 by anurupa777 on Wednesday 5th of September 2012 05:31:55 AM
Old 09-05-2012
hi
my file contains lines which are not uniform in terms of their positions so instead of taking position into consideration its better to consider abc1 in this example and look for abc2,abc3 etc in the same line. all those which have abc1 and abc2 in same line have to be copied to seperate file and abc1 and abc3 to seperate so on.
Code:
aaa acc abc1 1232 aaa abc2....
poo awq aa  aaa abc1 aaa abc3
bbb bcc bb abc1 3214 bbb abc3....


Code:
file1
aaa acc abc1 1232 aaa abc2....

Code:
file2
poo awq aa abc1 aaa abc3....
bbb bcc bb abc1 3214 bbb abc3...

 

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PTARGREP(1)						 Perl Programmers Reference Guide					       PTARGREP(1)

NAME
ptargrep - Apply pattern matching to the contents of files in a tar archive SYNOPSIS
ptargrep [options] <pattern> <tar file> ... Options: --basename|-b ignore directory paths from archive --ignore-case|-i do case-insensitive pattern matching --list-only|-l list matching filenames rather than extracting matches --verbose|-v write debugging message to STDERR --help|-? detailed help message DESCRIPTION
This utility allows you to apply pattern matching to the contents of files contained in a tar archive. You might use this to identify all files in an archive which contain lines matching the specified pattern and either print out the pathnames or extract the files. The pattern will be used as a Perl regular expression (as opposed to a simple grep regex). Multiple tar archive filenames can be specified - they will each be processed in turn. OPTIONS
--basename (alias -b) When matching files are extracted, ignore the directory path from the archive and write to the current directory using the basename of the file from the archive. Beware: if two matching files in the archive have the same basename, the second file extracted will overwrite the first. --ignore-case (alias -i) Make pattern matching case-insensitive. --list-only (alias -l) Print the pathname of each matching file from the archive to STDOUT. Without this option, the default behaviour is to extract each matching file. --verbose (alias -v) Log debugging info to STDERR. --help (alias -?) Display this documentation. COPYRIGHT
Copyright 2010 Grant McLean <grantm@cpan.org> This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.18.2 2018-08-17 PTARGREP(1)
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